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What does “mro()” do?

... 214 Follow along...: >>> class A(object): pass ... >>> A.__mro__ (<class '__...
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Uploading base64 encoded Image to Amazon S3 via Node.js

...xxxxxxxxxxxxxx", "secretAccessKey":"xxxxxxxxxxxxxx", "region":"us-east-1" } share | improve this answer | follow | ...
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CSS: transition opacity on mouse-out?

...ght:200px; width:200px; background:red; -webkit-transition: opacity 1s ease-in-out; -moz-transition: opacity 1s ease-in-out; -ms-transition: opacity 1s ease-in-out; -o-transition: opacity 1s ease-in-out; transition: opacity 1s ease-in-out; } .item:hover { zoom: 1; filter: alpha(o...
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Why do == comparisons with Integer.valueOf(String) give different results for 127 and 128?

... 191 There's a striking difference here. valueOf is returning an Integer object, which may have it...
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How to create directories recursively in ruby?

... 198 Use mkdir_p: FileUtils.mkdir_p '/a/b/c' The _p is a unix holdover for parent/path you can a...
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How to escape % in String.Format?

... | edited Jul 11 '12 at 13:50 Tim Cooper 138k3434 gold badges286286 silver badges249249 bronze badges ...
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How to import existing *.sql files in PostgreSQL 8.4?

... 142 From the command line: psql -f 1.sql psql -f 2.sql From the psql prompt: \i 1.sql \i 2.sql...
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Why is git push gerrit HEAD:refs/for/master used instead of git push origin master

... | edited May 19 '16 at 5:34 answered May 5 '12 at 12:05 ...
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Using git to get just the latest revision

... Use git clone with the --depth option set to 1 to create a shallow clone with a history truncated to the latest commit. For example: git clone --depth 1 https://github.com/user/repo.git To also initialize and update any nested submodules, also pass --recurse-submodules...
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Replace all non-alphanumeric characters in a string

... 186 Regex to the rescue! import re s = re.sub('[^0-9a-zA-Z]+', '*', s) Example: >>> ...